Cash flow versus burn is something Bill Drolet will be closely watching in regards to SpaceX (SPCX) as the company reports its first earnings as a public company. He thinks investors might have been giving the company a bit of an "Elon Musk halo" as SpaceX finds its footing amongst traders. The lockup for SPCX shares ends this week as well, something Bill says will have a "big impact" and could lead to a dip in share price.